035-17421-000 Rev B (700)
Unitary Products Group
13
tioning unit.
1.
The outdoor fan should be running, with warm air being
discharged from the top of the unit.
2.
The indoor blower (furnace or air handler) will be operat-
ing, discharging cool air from the ducts. coils or other
parts in the air circuit. Clean as often as necessary to
keep the unit clean. Use a brush, vacuum cleaner
attachment, or other suitable means.
3.
The vapor line at the outdoor unit will feel cool to the
touch.
4.
The liquid line at the outdoor unit will feel warm to the
touch.
HEATING
Indications of proper Heating operation is as follows:
1.
The outdoor fan should be running, with cool air being
discharged from the top of the unit.
2.
The indoor blower (furnace or air handler) will be opera
ing, discharging warm air from the ducts.
3.
The vapor line at the outdoor unit will feel warm to the
touch.
4.
The liquid line at the outdoor unit will feel cool to the
touch.
NOTICE TO OWNER:
If lockout occurs, check the following before calling a service-
man:
1.
Indoor section for dirty filter.
2.
Outdoor section for snow accumulation.
3.
Outdoor section for leaf or debris blockage.
Eliminate problem, turn off the thermostat for 10 seconds and
attempt start. Wait 5 minutes. If system does not start, call
serviceman.
MAINTENANCE
1.
Dirt should not be allowed to accumulate on the outdoor
coils or other parts in the air circuit. Clean as often as
necessary to keep the unit clean. Use a brush, vacuum
cleaner attachment, or other suitable means.
2.
The outdoor fan motor is permanently lubricated and
does not require periodic oiling.
3.
If the coil needs to be cleaned, it should be washed with
Calgon Coilclean (mix one part Coilclean to seven parts
water). Allow solution to remain on coil for 30 minutes
before rinsing with clean water. Solution should not be
permitted to come in contact with painted surfaces.
4.
Refer to the furnace or air handler instructions for filter
and blower motor maintenance.
5.
The indoor coil drain pan should be inspected and
cleaned regularly to prevent odors and assure proper
drainage.
IT IS UNLAWFUL TO KNOWINGLY VENT, RE-
LEASE OR DISCHARGE REFRIGERANT INTO THE
OPEN AIR DURING REPAIR, SERVICE, MAINTE-
NANCE OR THE FINAL DISPOSAL OF THIS UNIT.
WHEN THE SYSTEM IS FUNCTIONING PROP-
ERLY AND THE OWNER HAS BEEN FULLY
INSTRUCTED, SECURE THE OWNER’S
APPROVAL.
